Aroma diffuser



FIG. 1 is a front perspective view of an aroma diffuser showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

In the drawings, the broken lines depict environmental subject matteronly and form no part of the claimed design.

CLAIM The ornamental design for an aroma diffuser, as shown anddescribed.